UniJethro Smart Ring for Women & Men, Health Tracker Ring with Heart Rate, Blood Oxygen, Blood Pressure
Quick take
This smart ring is built for people who want all-day comfort with health and activity basics like heart rate, blood oxygen, blood pressure, and sleep tracking. Battery life is rated around 5 to 7 days in regular use, with IP68 water protection for sweat and hand-washing type exposure. The main catch is that the ring’s measurements depend on app connectivity and you may find the app can be sensitive when other apps are open.
Pros and cons
Pros
- Optical sensor tracking for heart rate, blood oxygen, and blood pressure, plus sleep analysis.
- Tracks activity like steps, calories burned, and distance, with workout modes such as yoga and cycling.
- IP68-rated design (water protection) and lightweight, all-day wearable build.
- No-display form factor keeps it discreet, and setup/connectivity is described as straightforward.
- No app subscription fee is emphasized, and data sync options include Apple Health.
Cons
- No screen means you rely on the app for details and history.
- Some buyers note the app may freeze if too many apps are running.
- Size range may be limited, so getting the right fit may take attention.
What buyers think
Buyer feedback is generally positive on comfort and day-to-day usability. Several reviews highlight that the ring feels lightweight and doesn’t get in the way during work, workouts, or normal routines, and that it holds up well for everyday wear. People also tend to mention the tracking experience positively, including activity and fitness progress, as well as sleep and health readings. Setup and phone pairing are described as easy, with the app presenting current and historical data. Where concerns appear, they are more about practical usage, such as limited available sizes and an app behavior issue when the phone has many apps open.
What you get and how it works
The UniJethro smart ring is a no-display wearable, so the experience is centered on sensor-based tracking plus an app dashboard. It uses optical sensors for health signals and includes motion sensing to estimate activity metrics like steps, calories, and distance. Sleep analysis is also part of the routine, which is one reason smart rings appeal to people who prefer a low-fuss, always-on approach.
Health and activity tracking features
Heart rate, blood oxygen, and blood pressure
Optical sensors are used to monitor heart rate, blood oxygen, and blood pressure readings. If you are looking for a ring that covers more than just steps and sleep, this feature set is one of its key reasons to consider it.
Sleep tracking
Sleep monitoring and sleep patterns are included, aimed at helping you understand your nightly routine and trends over time through the app.
Steps, distance, calories, and workouts
Beyond general activity, the ring supports workout-style tracking, including modes such as running, cycling, diving, hiking, and yoga (plus multi-sport use). That can matter if you want better context than “just daily movement” when you exercise.
Battery life and charging convenience
Battery performance is rated around 5 to 7 days of regular use, with up to 7 to 12 days in standby mode. The ring charges through a provided charging cable and includes a silicone ring protector, which can be useful if you want to avoid scratching during charging or storage.
Water resistance and everyday durability
The ring is rated IP68, which is designed to protect against sweat and water exposure, including during hand washing. It is also described with a 100-meter water resistance depth spec, which suggests the product is intended for more than just dry, indoor use, though your comfort level with submersion should still be based on your normal activities.
Comfort, fit, and design
Comfort is a consistent theme. The ring is made with a resin plus stainless steel case and weighs about 3.5 grams, and buyers mention it fits well for both men and women. The biggest practical risk here is sizing. Reviews note the ring felt true to size for some, but others mention a size limitation, so double-check size selection carefully before you rely on the ring as your daily driver.
App experience and data sharing
The ring syncs with iPhone and Android and supports data syncing to Apple Health and other fitness and activity tracking platforms. A health data sharing feature is included, which may appeal to people who want family or partner visibility into trends. There is also a remote photo control feature (remote photography) for the phone camera.
One usability note from buyers: the app may freeze if the phone is running too many apps at once. That is the kind of limitation to keep in mind if you tend to multitask heavily on your device.
Pros and cons, simplified
- Best for: budget-minded shoppers who want an easy, always-worn smart ring for sleep and activity plus health readings like heart rate, blood oxygen, and blood pressure.
- Who should buy: people who value comfort, dislike smartwatch screens, and want app-based trends rather than on-device alerts.
- Who should avoid: buyers who need robust reliability when the phone is heavily multitasking, or anyone who has trouble finding the right ring size.
Verdict
The UniJethro smart ring is a strong pick if you want a lightweight, no-display ring that covers sleep and core health metrics, with IP68 water protection and a straightforward app setup. If you prioritize in-app stability under heavy multitasking or you are very size-sensitive, you may want to consider those tradeoffs before choosing.
Want to see the current price and available sizes? Buy on Amazon
FAQs
Does this smart ring show data on the ring itself?
No. It has no display, so you view readings and history in the companion app.
How long does the battery last?
Regular use is rated at about 5 to 7 days, and standby is rated up to 7 to 12 days.
Is it water resistant?
It has an IP68 rating, intended to protect against sweat and water exposure such as hand washing, with a 100-meter water resistance depth spec.
What health metrics does it track?
It’s designed to track heart rate, blood oxygen, blood pressure, and sleep (including sleep patterns).
Does it require an app subscription?
No app subscription fee is emphasized. The app is used to view and manage your data.
Can it sync with Apple Health?
Yes. It supports syncing data to Apple Health (and other fitness and activity tracker apps).
Are there workout modes?
Yes. It supports activity and fitness tracking, including modes such as running, cycling, yoga, and multi-sports.
What’s the main drawback to watch for?
App behavior may be sensitive if you have many other apps open, and the available sizes may be limited when you shop.
Specifications
| Product Title | Smart Ring for Women & Men, Health Tracker Ring with Heart Rate, Blood Oxygen,Blood Pressure, IP68 Waterproof Fitness Ring, Sleep Tracker for iPhone and Android, No APP Fee (Black, 12#) |
|---|---|
| Category | Electronics > Wearable Technology > Rings |
| Brand | UniJethro |
| Manufacturer | Unijethro |
| Model Name | R11M |
| Model Number | R11M |
| Color | Black |
| Item Weight | 3.5 Grams |
| Operating System | Android, IOS |
| Additional Features | Data can be synced to Apple Health, Fitness and Activity Tracker, Blood Oxygen Monitor, Heart Rate Monitor, Sleep TrackerFitness and Activity Tracker, Sleep Tracker, Remote Photography, Family Care, Blood Pressure Monitor |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Band Material Type | Resin, Stainless Steel |
| Water Resistance Level | Waterproof |
| Sport Type | Cycling, Diving, Fitness, Hiking, Multi-Sports |
| Supported Application | Health and Social Apps |
| Water Resistance Depth | 100 Meters |
| Metrics Measured | Heart rate, sleep, sleep patterns, blood oxygen, blood pressure, wave-to-snap, family care |
| Closure Type | No Closure |
| Shape | Round |
| Style Name | Modern |
| Battery Capacity | 300 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Average Life | 5 days |
| Display Type | No Display |
| Waterproof Rating | IP68 |
| Target Audience | Unisex Adults |
| Age Range Description | Adult |
Available variants
Color
- Rose Gold
- Silver
- Green
- Blue
- Lavender Pink
- Gold
- Black
- Orange
Size
- 13#
- 14#
- 6#
- 7#
- 8#
- 12#
- 10#
- 9#
- 11#
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